import React, { Component } from 'react'

export default class LifeCom extends Component {
  componentDidMount(){
    console.log('挂载了');
  }
  componentWillUnmount(){
    console.log('即将卸载。。。');
  }
  render() {
    return (
      <div>LifeCom</div>
    )
  }
}
